plus nelson mandela talks with charlie about one of his favorite roles, grandfather. here's a look at today's eye-opener@8. >> slow long as i live, i'll do my best to learn from him. >> president obama was expected to be among many world leaders to eulogize him. >> messages of support are being dropped off inside the home. >> he may be gone physically but his spirit will live on forever in south africa and throughout the world. >> nearly 80 degrees earlier this week, now it's frigid. crews here are trying to keep major overpasses like these from freezing over. >> u.s. officials do not know yet who killed ronnie smith or why. it's not yet clear if the young american teacher was deliberately targeted by islamic militants or perhaps was simply the random victim of another crime. >> we all knew it was coming, there still was such a sense of loss and body blow when i saw the news. >> everybody has a heavy heart around the world, but i think also there's an equal outpouring of real joy and festivity. >> it seems to me that if there was not a word for dignity, nelson mandela